GSK2332255B is a highly potent and selective TRPC3 and TRPC6 antagonist, exhibiting IC50 values of 5 nM and 4 nM for rat TRPC3 and rat TRPC6, respectively. Furthermore, GSK2332255B demonstrates exceptional selectivity, surpassing a ≥100-fold difference when compared to other calcium-permeable channels.
Indirubin-5-sulfonate shows inhibitory activity against GSK-3β. Indirubin-5-sulfonate is a cyclin-dependent kinase (CDK) inhibitor, with IC50 values of 55 nM, 35 nM, 150 nM, 300 nM and 65 nM for CDK1 cyclin B, CDK2 cyclin A, CDK2 cyclin E, CDK4 cyclin D1,